Ryzen Threadripper PRO 3945WX vs Pentium D 935
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 365 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD Ryzen Threadripper |
| Power efficiency | no data | 7.26 |
| Designer | Intel | AMD |
| Manufacturer | Intel | TSMC |
| Architecture codename | Presler (2005−2007) | Castle Peak (2020) |
| Release date | 1 January 2007 (18 years ago) | 14 July 2020 (5 years ago) |
| Launch price (MSRP) | $84 | no data |
Detailed specifications
Pentium D 935 and Ryzen Threadripper PRO 3945WX basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 2 (Dual-core) | 12 (Dodeca-Core) |
| Threads | 2 | 24 |
| Base clock speed | 3.2 GHz | 4 GHz |
| Boost clock speed | 3.2 GHz | 4.3 GHz |
| Multiplier | no data | 40 |
| L1 cache | 16 KB (per core) | 64 KB (per core) |
| L2 cache | 2 MB (per die) | 512 KB (per core) |
| L3 cache | 0 KB | 64 MB |
| Chip lithography | 65 nm | 7 nm, 12 nm |
| Die size | 2x 81 mm2 | 2x 74 mm2 |
| Maximum case temperature (TCase) | 63 °C | 95 °C |
| Number of transistors | 376 million | 7,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 1.2V-1.3375V | no data |
Compatibility
Information on Pentium D 935 and Ryzen Threadripper PRO 3945WX compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | LGA775,PLGA775 | WRX8 |
| Power consumption (TDP) | 95 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 935 and Ryzen Threadripper PRO 3945WX. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Pentium D 935 and Ryzen Threadripper PRO 3945WX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 935 and Ryzen Threadripper PRO 3945WX are enumerated here.
| AMD-V | - | + |
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 935 and Ryzen Threadripper PRO 3945WX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4-3200 |
| Maximum memory size | no data | 2 TiB |
| Maximum memory bandwidth | no data | 204.8 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | N/A |
Peripherals
Specifications and connection of peripherals supported by Pentium D 935 and Ryzen Threadripper PRO 3945WX.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 1 January 2007 | 14 July 2020 |
| Physical cores | 2 | 12 |
| Threads | 2 | 24 |
| Chip lithography | 65 nm | 7 nm |
| Power consumption (TDP) | 95 Watt | 280 Watt |
Pentium D 935 has 194.7% lower power consumption.
Ryzen Threadripper PRO 3945WX, on the other hand, has an age advantage of 13 years, 500% more physical cores and 1100% more threads, and a 828.6% more advanced lithography process.
We couldn't decide between Intel Pentium D 935 and AMD Ryzen Threadripper PRO 3945WX. We've got no test results to judge.
Note that Pentium D 935 is a desktop processor while Ryzen Threadripper PRO 3945WX is a server/workstation one.
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